Explain the method of place value principle of converting a fraction to decimal with 5 examples for class 7

Answers

Answer 1
Answer: Example #1 : 0.7
7 is in the tenths place. This number is read as "seven tenths".
0.7 is converted from 7/10.

Example #2 : 0.13
1 is in the tenths place.
3 is in the hundredths place.
This number is read as "thirteen hundredths"
0.13 is converted from 13/100.

Example #3: 0.157

1 is in the tenths place.
5 is in the hundredths place.
7 is in the thousandths place.
This number is read as "one hundred fifty seven thousandths"
0.157 is converted from 157/1000.

Example # 4: 1.5

1 is in the ones place
5 is in the tenths place.
This number is read as "one and five tenths"
1.5 is converted from 15/10 or 1 5/10.

Example # 5: 25.67
2 is in tens place.
5 is in ones place.
6 is in tenths place
7 is in hundredths place.
This number is read as "twenty-five and sixty seven hundredths"
25.67 is converted from 25 67/100 or 2567/100

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The football team has a total of 50
jerseys. There are
35
​medium-sized jerseys.What percent of the jerseys are​ medium-sized jerseys?

Answers

In the given problem it is already given that the total number of jerseys are 50. Out of them 35 are mid sized jerseys. We can see that all required information's are already present in the problem.
Total number of medium sized jerseys = 35
Total number of jerseys = 50
Percentage of medium sized jerseys = (35/50) * 100
                                                             = 35 * 2
                                                             = 70
So 70% of the jerseys are mid sized jerseys. This is the only way to find the percentage of mid-sized jerseys. I hope this method is clear to you and you can attempt any problem like this in the future.
you divide 35 by 100 and multiply by 100 to get the percentage. so 70%

Estimate a 15% tip on a dinner bill of $87.33 by first rounding the bill amount to the nearest ten dollars.

Answers

There would be a 13 dollar tip if you round it. If you didn't it would be 13.05.

First you would turn the percent into a decimal. You would do this by moving the decimal place to the left 2 places. Then, multiply that by your amount.
so when ever you have a percentage you would want to multiply in this case so 87.33 times .15 would be to two nearest ten dollars is 13 dollars

Can someone answer this question please please answer it correctly and please show work please help me I need it

Answers

Answer:

Answers are below

Step-by-step explanation:

48) Expression for Shipping charges for Supplier 1 is S = 16x + 0.05

      Expression for Shipping Charges for Supplier 2 is S = 18x + 0.07

      Expression for Total Cost for Supplier 1 is C = (16x + 0.05)0.9

      Expression for Total Cost for Supplier 2 is C = (18x + 0.07)0.8

If he ordered 15 T-shirts from each supplier, you need to use the second set of expressions.

Supplier 1 - (16(15) + 0.05)0.9 = (240 + 0.05)0.9 = (240.05)0.9 = $216.05

Supplier 2 - (18(15) + 0.07)0.8 = (270 + 0.07)0.8 = (270.07)0.8 = $216.06

In total the coach spent 216.05 + 216.06 = $432.11 for both suppliers

36) D because surveying the 85 people means that they are unbiased on their favorite sport. The 15 people were all on the soccer team, so they would pick soccer.

37) C because 2/3 cups times 1.5 would equal one cup. Now multiply the 3/4 pound of blueberries by 1.5.       3/4 x 1.5 = 1.125 = 1 1/8

38) A because a 25% chance of snow is a low chance of snow. If the percent was over 50%, then there would be a high chance.

34) D because both are ways of finding the discounted price, but Michael's way is preferred because there are less steps involved.

35) C because it is the middle number and it shows the average speed during the trials.

If these answers are correct, please make me Brainliest!

How to find the unit rate of 14lb for $2.99

Answers

Okay so let's try to find the amount of money needed to buy 1 lb. Therefore, let's divide the fraction by 14. 
(14)/(2.99) 
Then we'll divide both the numerator and denominator by 14. 
(14)/(2.99) ÷ (14)/(14)
Then we simplify and get:
14÷14=1     2.99÷14=.2135   We can round that to .21
The unit rate for each pound would be 1:.21
I don't know if that helped, but yeah. :)


Look at the units.
If you divide (2.99 dollars) by (14 lb), the quotient will be
(dollars per pound),which is exactly what you want.

a swimming pool had a list price of $575.25 and was on sale for 10% off.Sara had a coupon for an extra $75 off. What will her cost be before tax?

Answers

10%•575.25=57.525~57.53
575.25-(75+57.53)=$442.72

Answer:

First take 10% off of $575.25. 10% of $575.25 is $57.53, so 10% off would be $575.25-$57.53, which makes the price $517.72. Then, including the $75 coupon, reduces the price down to $442.72. Therefore, her price before tax is $442.72.

Solve for g: L= p+2g/K

Answers

the answer to the question